$DFS
Discover Financial Services Stock $dfs

$dfs Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000162828022027220 Filed on October 27, 2022

Income Statement

Concept	2022 Q4	2022 Q3
Revenue		$3.357B
YoY Change		25.54%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$124.0M
YoY Change		2.48%
% of Gross Profit
Depreciation & Amortization	$137.0M	$145.0M
YoY Change	-4.86%	4.32%
% of Gross Profit
Operating Expenses		$124.0M
YoY Change		2.48%
Operating Profit
YoY Change
Interest Expense		$514.0M
YoY Change		91.08%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$1.354B	$1.318B
YoY Change	-0.51%	-5.99%
Income Tax	$321.0M	$312.0M
% Of Pretax Income	23.71%	23.67%
Net Earnings	$1.027B	$1.006B
YoY Change	-3.75%	-7.79%
Net Earnings / Revenue		29.97%
Basic Earnings Per Share		$3.54
Diluted Earnings Per Share	$3.762M	$3.54
COMMON SHARES
Basic Shares Outstanding	273.2M shares	273.2M shares
Diluted Shares Outstanding		274.0M shares

Balance Sheet

Concept	2022 Q4	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$21.06B	$16.90B
YoY Change	34.56%	-18.47%
Cash & Equivalents	$8.856B	$10.00B
Short-Term Investments	$12.21B	$6.897B
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$1.003B	$1.015B
YoY Change	2.03%	2.84%
Goodwill	$255.0M	$255.0M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$416.0M	$382.0M
YoY Change	7.22%	4.37%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$131.6B	$121.9B
YoY Change	19.4%	12.29%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$5.294B	$4.526B
YoY Change	25.63%	7.68%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change	-100.0%
Long-Term Debt Due	$3.815B	$2.331B
YoY Change	-26.42%
Total Short-Term Liabilities	$5.294B	$6.857B
YoY Change	-43.67%	63.15%
LONG-TERM LIABILITIES
Long-Term Debt	$20.11B	$20.18B
YoY Change	51.28%	8.97%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$20.11B	$20.18B
YoY Change	51.28%	8.97%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.294B	$6.857B
Total Long-Term Liabilities	$20.11B	$20.18B
Total Liabilities	$117.0B	$107.6B
YoY Change	20.86%	12.93%
SHAREHOLDERS EQUITY
Retained Earnings	$28.45B	$27.59B
YoY Change	14.89%	15.68%
Common Stock	$6.000M	$6.000M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$19.05B	$18.45B
YoY Change	14.13%	15.89%
Treasury Stock Shares	302.3M shares	296.4M shares
Shareholders Equity	$14.59B	$14.29B
YoY Change
Total Liabilities & Shareholders Equity	$131.6B	$121.9B
YoY Change	19.4%	12.29%

Cashflow Statement

Concept	2022 Q4	2022 Q3
OPERATING ACTIVITIES
Net Income	$1.027B	$1.006B
YoY Change	-3.75%	-7.79%
Depreciation, Depletion And Amortization	$137.0M	$145.0M
YoY Change	-4.86%	4.32%
Cash From Operating Activities	$2.175B	$1.619B
YoY Change	62.07%	-0.12%
INVESTING ACTIVITIES
Capital Expenditures	$58.00M	-$79.00M
YoY Change	-220.83%	61.22%
Acquisitions
YoY Change
Other Investing Activities	-$12.96B	-$7.411B
YoY Change	287.56%	407.26%
Cash From Investing Activities	-$13.01B	-$7.490B
YoY Change	283.78%	396.03%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	7.866B	6.270B
YoY Change	1142.65%	-268.05%
NET CHANGE
Cash From Operating Activities	2.175B	1.619B
Cash From Investing Activities	-13.01B	-7.490B
Cash From Financing Activities	7.866B	6.270B
Net Change In Cash	-2.973B	399.0M
YoY Change	109.96%	-111.02%
FREE CASH FLOW
Cash From Operating Activities	$2.175B	$1.619B
Capital Expenditures	$58.00M	-$79.00M
Free Cash Flow	$2.117B	$1.698B
YoY Change	52.3%	1.68%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001393612
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-33378
	dei	Entity Registrant Name EntityRegistrantName	DISCOVER FINANCIAL SERVICES
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	36-2517428
	dei	Entity Address City Or Town EntityAddressCityOrTown	Riverwoods
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	60015
	dei	Entity Address Address Line1 EntityAddressAddressLine1	2500 Lake Cook Road
	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
	dei	City Area Code CityAreaCode	224
	dei	Local Phone Number LocalPhoneNumber	405-0900
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
	dei	Trading Symbol TradingSymbol	DFS
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	273225765	shares
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	10004000000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8750000000	usd
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1866000000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2582000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	6681000000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	6700000000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	6876000000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	6549000000	usd
CY2022Q3	us-gaap	Marketable Securities MarketableSecurities	6897000000	usd
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	6904000000	usd
CY2022Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	104908000000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	93684000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7061000000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	6822000000	usd
CY2022Q3	us-gaap	Notes Receivable Net NotesReceivableNet	97847000000	usd
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	86862000000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1015000000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	983000000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	255000000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	255000000	usd
CY2022Q3	us-gaap	Other Assets OtherAssets	4002000000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	3906000000	usd
CY2022Q3	us-gaap	Assets Assets	121886000000	usd
CY2021Q4	us-gaap	Assets Assets	110242000000	usd
CY2022Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	81373000000	usd
CY2021Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	70818000000	usd
CY2022Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1524000000	usd
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1575000000	usd
CY2022Q3	us-gaap	Deposits Deposits	82897000000	usd
CY2021Q4	us-gaap	Deposits Deposits	72393000000	usd
CY2022Q3	us-gaap	Collateralized Financings CollateralizedFinancings	0	usd
CY2021Q4	us-gaap	Collateralized Financings CollateralizedFinancings	1750000000	usd
CY2022Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	20177000000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	18477000000	usd
CY2022Q3	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	4526000000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	4214000000	usd
CY2022Q3	us-gaap	Liabilities Liabilities	107600000000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	96834000000	usd
CY2022Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	569637306	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	568830897	shares
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	6000000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	6000000	usd
CY2022Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	0	usd
CY2022Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2022Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	10700	shares
CY2022Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	10700	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	10700	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	10700	shares
CY2022Q3	us-gaap	Preferred Stock Value PreferredStockValue	1056000000	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	1056000000	usd
CY2022Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	4444000000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	4369000000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	27585000000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	24766000000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-353000000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-94000000	usd
CY2022Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	296412179	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	280502577	shares
CY2022Q3	us-gaap	Treasury Stock Value TreasuryStockValue	18452000000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	16695000000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	14286000000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	13408000000	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	121886000000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	110242000000	usd
CY2022Q3	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	2783000000	usd
CY2021Q3	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	2193000000	usd
	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	7475000000	usd
	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	6452000000	usd
CY2022Q3	us-gaap	Interest And Fee Income Loans Other Consumer InterestAndFeeIncomeLoansOtherConsumer	476000000	usd
CY2021Q3	us-gaap	Interest And Fee Income Loans Other Consumer InterestAndFeeIncomeLoansOtherConsumer	433000000	usd
	us-gaap	Interest And Fee Income Loans Other Consumer InterestAndFeeIncomeLoansOtherConsumer	1343000000	usd
	us-gaap	Interest And Fee Income Loans Other Consumer InterestAndFeeIncomeLoansOtherConsumer	1301000000	usd
CY2022Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	35000000	usd
CY2021Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	0	usd
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	2000000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	45000000	usd
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	104000000	usd
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	142000000	usd
CY2022Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	63000000	usd
CY2021Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	3000000	usd
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	86000000	usd
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	14000000	usd
CY2022Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	3357000000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	2674000000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9008000000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	7909000000	usd
CY2022Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	345000000	usd
CY2021Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	156000000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	658000000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	519000000	usd
CY2022Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	1000000	usd
CY2022Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	168000000	usd
CY2021Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	113000000	usd
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	416000000	usd
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	356000000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	514000000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	269000000	usd
	us-gaap	Interest Expense InterestExpense	1076000000	usd
	us-gaap	Interest Expense InterestExpense	875000000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2843000000	usd
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2405000000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	7932000000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	7034000000	usd
CY2022Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	773000000	usd
CY2021Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	185000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1476000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-45000000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	2070000000	usd
CY2021Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	2220000000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	6456000000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	7079000000	usd
CY2022Q3	dfs	Discount And Interchange Revenue DiscountAndInterchangeRevenue	346000000	usd
CY2021Q3	dfs	Discount And Interchange Revenue DiscountAndInterchangeRevenue	299000000	usd
	dfs	Discount And Interchange Revenue DiscountAndInterchangeRevenue	1056000000	usd
	dfs	Discount And Interchange Revenue DiscountAndInterchangeRevenue	879000000	usd
CY2022Q3	dfs	Protectionproductsrevenue Protectionproductsrevenue	42000000	usd
CY2021Q3	dfs	Protectionproductsrevenue Protectionproductsrevenue	43000000	usd
	dfs	Protectionproductsrevenue Protectionproductsrevenue	128000000	usd
	dfs	Protectionproductsrevenue Protectionproductsrevenue	129000000	usd
CY2022Q3	dfs	Loanfeeincome Loanfeeincome	168000000	usd
CY2021Q3	dfs	Loanfeeincome Loanfeeincome	121000000	usd
	dfs	Loanfeeincome Loanfeeincome	450000000	usd
	dfs	Loanfeeincome Loanfeeincome	333000000	usd
CY2022Q3	dfs	Transaction Processing Revenue TransactionProcessingRevenue	65000000	usd
CY2021Q3	dfs	Transaction Processing Revenue TransactionProcessingRevenue	58000000	usd
	dfs	Transaction Processing Revenue TransactionProcessingRevenue	183000000	usd
	dfs	Transaction Processing Revenue TransactionProcessingRevenue	167000000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-37000000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-167000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-394000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	562000000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	33000000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	186000000	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
CY2022Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	19000000	usd
CY2021Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	18000000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	64000000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	47000000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	636000000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	372000000	usd
	us-gaap	Noninterest Income NoninterestIncome	1673000000	usd
	us-gaap	Noninterest Income NoninterestIncome	2117000000	usd
CY2022Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	551000000	usd
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	483000000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1566000000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1487000000	usd
CY2022Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	276000000	usd
CY2021Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	210000000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	722000000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	539000000	usd
CY2022Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	124000000	usd
CY2021Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	121000000	usd
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	370000000	usd
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	375000000	usd
CY2022Q3	us-gaap	Professional Fees ProfessionalFees	241000000	usd
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	198000000	usd
	us-gaap	Professional Fees ProfessionalFees	607000000	usd
	us-gaap	Professional Fees ProfessionalFees	567000000	usd
CY2022Q3	us-gaap	Occupancy Net OccupancyNet	22000000	usd
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	23000000	usd
	us-gaap	Occupancy Net OccupancyNet	70000000	usd
	us-gaap	Occupancy Net OccupancyNet	69000000	usd
CY2022Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	174000000	usd
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	155000000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	406000000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	456000000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	1388000000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	1190000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	3741000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4289000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	3493000000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1318000000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1402000000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4388000000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5703000000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	312000000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	311000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1029000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1321000000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	1006000000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	1091000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	3359000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	4382000000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	967000000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1055000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3277000000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.54
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.54
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.74
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	14.17
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.54
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.54
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	11.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	14.16
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	1006000000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	1091000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	3359000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	4382000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-100000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-29000000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-262000000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-115000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-2000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	0	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	3000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	2000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-102000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-29000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-259000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-113000000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	904000000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1062000000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3100000000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4269000000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	13171000000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	1091000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-29000000	usd
CY2021Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	815000000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	2000000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	24000000	usd
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.50
CY2021Q3	us-gaap	Dividends Common Stock DividendsCommonStock	151000000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	13263000000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	13764000000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	1006000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-102000000	usd
CY2022Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	212000000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	2000000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	25000000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.60
CY2022Q3	us-gaap	Dividends Common Stock DividendsCommonStock	166000000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	14286000000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	10884000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	4382000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-113000000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1487000000	usd
	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	7000000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	81000000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.38
	us-gaap	Dividends Common Stock DividendsCommonStock	422000000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	13263000000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	13408000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	3359000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-259000000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1757000000	usd
	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	7000000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	68000000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.70
	us-gaap	Dividends Common Stock DividendsCommonStock	478000000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	14286000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	3359000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	4382000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1476000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-45000000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-314000000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	388000000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	424000000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	387000000	usd
	dfs	Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans	261000000	usd
	dfs	Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans	217000000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-246000000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	531000000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	73000000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	227000000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	350000000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	273000000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	312000000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	359000000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4965000000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4677000000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	0	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	2200000000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1677000000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1709000000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2001000000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	9000000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	26000000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	63000000	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	40000000	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	28000000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	12297000000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	255000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5000000	usd
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	325000000	usd
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	0	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	135000000	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	108000000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	178000000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	146000000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12623000000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	3431000000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-1750000000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	10482000000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-4359000000	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	4626000000	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	1731000000	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	2566000000	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	3445000000	usd
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	322000000	usd
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	922000000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	7000000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	7000000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1757000000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1487000000	usd
	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	524000000	usd
	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	474000000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	8196000000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8949000000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	538000000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-841000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	11332000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	13589000000	usd
CY2022Q3	dfs	Expected Future Peak Unemployment Rate ExpectedFuturePeakUnemploymentRate	0.046
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	11870000000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	12748000000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	10004000000	usd
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	12716000000	usd
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1866000000	usd
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	32000000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	11870000000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	12748000000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
	us-gaap	Use Of Estimates UseOfEstimates	The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and related disclosures. These estimates are based on information available as of the date of the condensed consolidated financial statements. The Company believes that the estimates used in the preparation of the condensed consolidated financial statements are reasonable. Actual results could differ from these estimates.
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	usd
CY2022Q3	us-gaap	Marketable Securities MarketableSecurities	6897000000	usd
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	6904000000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	6876000000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	195000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	6681000000	usd
CY2022Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	216000000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	25000000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	191000000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	6549000000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	151000000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	6700000000	usd
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	204000000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	3000000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1000000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	206000000	usd
CY2022Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2021Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5000000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1726000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	4612000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	45000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	493000000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	6876000000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	216000000	usd
CY2022Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	216000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1711000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	4458000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	43000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	469000000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	6681000000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	191000000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	191000000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-37000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-394000000	usd
CY2022Q3	dfs	Equity Securities Fvni Realized Gain Loss On Payments Investments EquitySecuritiesFVNIRealizedGainLossOnPaymentsInvestments	32000000	usd
	dfs	Equity Securities Fvni Realized Gain Loss On Payments Investments EquitySecuritiesFVNIRealizedGainLossOnPaymentsInvestments	182000000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-167000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	562000000	usd
	dfs	Loan Portfolio Segments LoanPortfolioSegments	2	segment
	dfs	Loan Portfolio Segments LoanPortfolioSegments	2	segment
CY2022Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	104908000000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	93684000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7061000000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	6822000000	usd
CY2022Q3	us-gaap	Notes Receivable Net NotesReceivableNet	97847000000	usd
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	86862000000	usd
CY2022Q3	dfs	Revolving Lineof Credit Arrangement Convertedto Term Loanthrough Loan Modification Program Ending Balance RevolvingLineofCreditArrangementConvertedtoTermLoanthroughLoanModificationProgramEndingBalance	663000000	usd
CY2021Q4	dfs	Revolving Lineof Credit Arrangement Convertedto Term Loanthrough Loan Modification Program Ending Balance RevolvingLineofCreditArrangementConvertedtoTermLoanthroughLoanModificationProgramEndingBalance	813000000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	6757000000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	743000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	659000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	220000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	439000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7061000000	usd
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7026000000	usd
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	160000000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	556000000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	231000000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	325000000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	6861000000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	6822000000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1475000000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1921000000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	685000000	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	1236000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7061000000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8226000000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-47000000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1991000000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	673000000	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	1318000000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	6861000000	usd
CY2022Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	30000000	usd
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	25000000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1000000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	2000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7100000000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	304000000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	239000000	usd
CY2022Q3	dfs	Expected Eoy Unemployment Rate ExpectedEOYUnemploymentRate	0.042
CY2022Q3	dfs	Expected Eoy2 Unemployment Rate ExpectedEOY2UnemploymentRate	0.045
CY2022Q3	dfs	Expected Eoy Annualized Increase In Gdp ExpectedEOYAnnualizedIncreaseInGDP	-0.002
CY2022Q3	dfs	Expected Eoy2 Annualized Increase In Gdp ExpectedEOY2AnnualizedIncreaseInGDP	0.018
CY2021Q4	dfs	Financing Receivable Allowancefor Credit Loss Reasonableand Supportable Forecast Period FinancingReceivableAllowanceforCreditLossReasonableandSupportableForecastPeriod	P18M
CY2022Q3	dfs	Financing Receivable Allowancefor Credit Loss Reasonableand Supportable Forecast Period FinancingReceivableAllowanceforCreditLossReasonableandSupportableForecastPeriod	P18M
CY2021Q3	dfs	Financing Receivable Allowancefor Credit Loss Reasonableand Supportable Forecast Period FinancingReceivableAllowanceforCreditLossReasonableandSupportableForecastPeriod	P18M
CY2021Q2	dfs	Financing Receivable Allowancefor Credit Loss Reasonableand Supportable Forecast Period FinancingReceivableAllowanceforCreditLossReasonableandSupportableForecastPeriod	P18M
CY2022Q1	dfs	Financing Receivable Allowancefor Credit Loss Reasonableand Supportable Forecast Period FinancingReceivableAllowanceforCreditLossReasonableandSupportableForecastPeriod	P18M
CY2022Q2	dfs	Financing Receivable Allowancefor Credit Loss Reasonableand Supportable Forecast Period FinancingReceivableAllowanceforCreditLossReasonableandSupportableForecastPeriod	P18M
	dfs	Financing Receivable Allowancefor Credit Loss Reversion Period FinancingReceivableAllowanceforCreditLossReversionPeriod	P12M
	dfs	Financing Receivable Allowancefor Credit Loss Reversion Period FinancingReceivableAllowanceforCreditLossReversionPeriod	P12M
CY2022Q3	dfs	Interest And Fees Accrued Subsequently Charged Off Net Of Recoveries InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries	74000000	usd
CY2021Q3	dfs	Interest And Fees Accrued Subsequently Charged Off Net Of Recoveries InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries	57000000	usd
	dfs	Interest And Fees Accrued Subsequently Charged Off Net Of Recoveries InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries	209000000	usd
	dfs	Interest And Fees Accrued Subsequently Charged Off Net Of Recoveries InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries	232000000	usd
CY2022Q3	dfs	Fees Accrued Subsequently Charged Off Net Of Recoveries FeesAccruedSubsequentlyChargedOffNetOfRecoveries	24000000	usd
CY2021Q3	dfs	Fees Accrued Subsequently Charged Off Net Of Recoveries FeesAccruedSubsequentlyChargedOffNetOfRecoveries	15000000	usd
	dfs	Fees Accrued Subsequently Charged Off Net Of Recoveries FeesAccruedSubsequentlyChargedOffNetOfRecoveries	68000000	usd
	dfs	Fees Accrued Subsequently Charged Off Net Of Recoveries FeesAccruedSubsequentlyChargedOffNetOfRecoveries	59000000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	797000000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	224000000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	575000000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	225000000	usd
CY2022Q3	dfs	Percentage Of Defaulted Loans That Charged Off PercentageOfDefaultedLoansThatChargedOff	0.60
CY2021Q3	dfs	Percentage Of Defaulted Loans That Charged Off PercentageOfDefaultedLoansThatChargedOff	0.62
	dfs	Percentage Of Defaulted Loans That Charged Off PercentageOfDefaultedLoansThatChargedOff	0.62
	dfs	Percentage Of Defaulted Loans That Charged Off PercentageOfDefaultedLoansThatChargedOff	0.66
CY2022Q3	us-gaap	Time Deposits TimeDeposits	26993000000	usd
	dfs	Deposits Source Channels DepositsSourceChannels	2	channels
CY2022Q3	us-gaap	Time Deposit Maturities Remainder Of Fiscal Year TimeDepositMaturitiesRemainderOfFiscalYear	4136000000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	12675000000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	4820000000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	1935000000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	1223000000	usd
CY2022Q3	dfs	Time Deposit Maturities After Year Four TimeDepositMaturitiesAfterYearFour	2204000000	usd
CY2021Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	1300000000	usd
CY2022Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	20177000000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	18477000000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	2331000000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	3283000000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	3729000000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	5167000000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	2658000000	usd
CY2022Q3	dfs	Long Term Debt Maturities Repayments Of Principal After Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour	3009000000	usd
CY2022Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	20177000000	usd
CY2022Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	2100000000	usd
CY2021Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	1400000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-133000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-33000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-100000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-133000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-33000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-100000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-4000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-1000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-3000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-2000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-1000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	-2000000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-2000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-38000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-9000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-29000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-38000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-9000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-29000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-1000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	1000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-1000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	1000000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-346000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-84000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-262000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-346000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-84000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-262000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-2000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	0	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-2000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-4000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	1000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-5000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	2000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-1000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	3000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-152000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-37000000	usd
CY2021Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	0	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-115000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-152000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-37000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-115000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-1000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	1000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-2000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-1000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	2000000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	0	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2000000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1318000000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1402000000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4388000000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5703000000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	312000000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	311000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1029000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1321000000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.236
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.222
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.234
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.232
	dfs	Changein Income Tax Expense Benefit Amount ChangeinIncomeTaxExpenseBenefitAmount	-292000000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	1006000000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	1091000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	3359000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	4382000000	usd
CY2022Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	31000000	usd
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	30000000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	62000000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	69000000	usd
CY2022Q3	dfs	Net Income Loss Available To Common Stockholders Incl Participating Securities NetIncomeLossAvailableToCommonStockholdersInclParticipatingSecurities	975000000	usd
CY2021Q3	dfs	Net Income Loss Available To Common Stockholders Incl Participating Securities NetIncomeLossAvailableToCommonStockholdersInclParticipatingSecurities	1061000000	usd
	dfs	Net Income Loss Available To Common Stockholders Incl Participating Securities NetIncomeLossAvailableToCommonStockholdersInclParticipatingSecurities	3297000000	usd
	dfs	Net Income Loss Available To Common Stockholders Incl Participating Securities NetIncomeLossAvailableToCommonStockholdersInclParticipatingSecurities	4313000000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	8000000	usd
CY2021Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	6000000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	20000000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	24000000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	967000000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	967000000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1055000000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1055000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3277000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	3277000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4289000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	4289000000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	273000000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	298000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	279000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	303000000	shares
CY2022Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1000000	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	274000000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	298000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	279000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	303000000	shares
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.54
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.54
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.74
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	14.17
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.54
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.54
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	11.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	14.16
CY2022Q3	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	0	usd
CY2021Q3	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	51000000	usd
	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	54000000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	2000000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	4000000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	0	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	0	usd
CY2022Q3	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2022Q3	dfs	Derivative Collateral Rightto Reclaim Cashand Securities DerivativeCollateralRighttoReclaimCashandSecurities	0	usd
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2021Q4	dfs	Derivative Collateral Rightto Reclaim Cashand Securities DerivativeCollateralRighttoReclaimCashandSecurities	0	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	2000000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	4000000	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	usd
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	usd
CY2021Q3	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	2193000000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2022Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	3357000000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	514000000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2843000000	usd
CY2022Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	773000000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	636000000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	1388000000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1318000000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	2674000000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	269000000	usd
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2405000000	usd
CY2021Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	185000000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	372000000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	1190000000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1402000000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9008000000	usd
	us-gaap	Interest Expense InterestExpense	1076000000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	7932000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1476000000	usd
	us-gaap	Noninterest Income NoninterestIncome	1673000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	3741000000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4388000000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	7909000000	usd
	us-gaap	Interest Expense InterestExpense	875000000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	7034000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-45000000	usd
	us-gaap	Noninterest Income NoninterestIncome	2117000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	3493000000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5703000000	usd
CY2022Q3	dfs	Loanfeeincome Loanfeeincome	168000000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-37000000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	33000000	usd
CY2022Q3	dfs	Noninterest Incomenot Subjectto Asc606 NoninterestIncomenotSubjecttoASC606	164000000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	636000000	usd
CY2021Q3	dfs	Loanfeeincome Loanfeeincome	121000000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-167000000	usd
CY2021Q3	dfs	Noninterest Incomenot Subjectto Asc606 NoninterestIncomenotSubjecttoASC606	-46000000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	372000000	usd
	dfs	Loanfeeincome Loanfeeincome	450000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-394000000	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	186000000	usd
	dfs	Noninterest Incomenot Subjectto Asc606 NoninterestIncomenotSubjecttoASC606	242000000	usd
	us-gaap	Noninterest Income NoninterestIncome	1673000000	usd
	dfs	Loanfeeincome Loanfeeincome	333000000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	562000000	usd
	dfs	Noninterest Incomenot Subjectto Asc606 NoninterestIncomenotSubjecttoASC606	895000000	usd
	us-gaap	Noninterest Income NoninterestIncome	2117000000	usd
CY2022Q3	dfs	Customer Rewardsand Issuer Interchange CustomerRewardsandIssuerInterchange	811000000	usd
CY2021Q3	dfs	Customer Rewardsand Issuer Interchange CustomerRewardsandIssuerInterchange	689000000	usd
	dfs	Customer Rewardsand Issuer Interchange CustomerRewardsandIssuerInterchange	2200000000	usd
	dfs	Customer Rewardsand Issuer Interchange CustomerRewardsandIssuerInterchange	1800000000	usd

Files In Submission

Name	View Source	Status
0001628280-22-027220-index-headers.html	Edgar Link	pending
0001628280-22-027220-index.html	Edgar Link	pending
0001628280-22-027220.txt	Edgar Link	pending
0001628280-22-027220-xbrl.zip	Edgar Link	pending
dfs-20220930.htm	Edgar Link	pending
dfs-20220930.xsd	Edgar Link	pending
dfsex3119302022.htm	Edgar Link	pending
dfsex3129302022.htm	Edgar Link	pending
dfsex3219302022.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
dfs-20220930_cal.xml	Edgar Link	unprocessable
dfs-20220930_def.xml	Edgar Link	unprocessable
dfs-20220930_pre.xml	Edgar Link	unprocessable
dfs-20220930_lab.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
dfs-20220930_htm.xml	Edgar Link	completed
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$DFS
Discover Financial Services Stock $dfs

2022 Q4 Form 10-Q Financial Statement

#000162828022027220 Filed on October 27, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DFS Discover Financial Services Stock $dfs

2022 Q4 Form 10-Q Financial Statement

#000162828022027220 Filed on October 27, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DFS
Discover Financial Services Stock $dfs